package com.kingdee.eas.custom.tiog.middleware.util;
import java.io.StringReader;
import java.io.StringWriter;
import javax.xml.bind.JAXBContext;
import javax.xml.bind.Marshaller;
import javax.xml.bind.Unmarshaller;
/**
 *
 * Title: JaxbUtil Description: xml转换工具类
 *
 * @author spj Email:tjsongpeijun@kingdee.com
 * @date 2020-03-19       
 */
public class JaxbUtil {
    /**
     * JavaBean装换成xml
     * 默认编码UTF-8
     * @param obj
     * @return
     */
    public static String converTomXml(Object obj) {
        return converToXml(obj,"UTF-8");

    }
    /**
     * JavaBean装换成xml
     * @param obj
     * @param encoding
     * @return
     */
    private static String converToXml(Object obj, String encoding) {
        String result = null;
        try {
            JAXBContext context = JAXBContext.newInstance(obj.getClass());
            Marshaller marshaller = context.createMarshaller();
            marshaller.setProperty(Marshaller.JAXB_FORMATTED_OUTPUT,true);
            marshaller.setProperty(Marshaller.JAXB_ENCODING,encoding);
            StringWriter writer = new StringWriter();
            marshaller.marshal(obj,writer);
            result =writer.toString();
        } catch (Exception e) {
            e.printStackTrace();
        }
        return result;
    }


    /**
     * xml装换成JavaBean
     * @param xml
     * @param c
     * @return
     */
    @SuppressWarnings("unchecked")
    public static<T> T converyToJavaBean(String xml,Class<T> c){
        T t = null;
        try {
            JAXBContext context = JAXBContext.newInstance(c);
            Unmarshaller unmarshaller = context.createUnmarshaller();
            t = (T)unmarshaller.unmarshal(new StringReader(xml));
        } catch (Exception e) {
            e.printStackTrace();
        }

        return t;

    }
}
